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Contract OI history

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Jan 21, 2028 EXPIRATION

ACB $4.00 Call

ACB280121C00004000

Latest saved OI129Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACB $4.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 131650 2026-10-09: 131 OI2026-10-13: 130 OI2026-10-14: 129 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-20: 129 OI Oct 09, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ACB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1290
Oct 16, 20261290
Oct 15, 20261290
Oct 14, 2026129-1
Oct 13, 2026130-1
Oct 09, 2026131No prior observation